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FlashPaper

A secure, ephemeral note-sharing service for sensitive information, designed for privacy and automatic destruction.

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Overview

FlashPaper is a web-based tool designed for the secure and ephemeral sharing of sensitive text-based information. Its core functionality revolves around creating 'notes' that are encrypted on the server, can only be viewed once by the recipient, and are automatically destroyed shortly after being viewed or after a predefined time limit. This ensures that sensitive data, such as passwords, API keys, or private messages, does not persist longer than necessary, significantly reducing the risk of unauthorized access or data breaches.

The tool is open-source and can be self-hosted, providing users with complete control over their data and infrastructure. This makes it an excellent choice for individuals and organizations who prioritize privacy and security and prefer not to rely on third-party services for handling their most sensitive information. The simplicity of its design focuses purely on secure, one-time sharing, making it straightforward to use for its intended purpose.

Best For

Sharing passwords or API keys securely
Sending sensitive financial details
Temporary sharing of confidential documents or links
Internal communication of critical, ephemeral information
Securely transmitting personal identification numbers

Key Features

One-time view notes
Automatic note destruction after viewing or timeout
Server-side encryption of notes
Self-hostable
Open-source codebase
Simple user interface

Pros & Cons

Pros

  • Enhanced privacy due to one-time view and auto-destruction
  • Increased security with server-side encryption
  • Full control over data when self-hosted
  • Transparency and trustworthiness from open-source code
  • Prevents accidental data retention or exposure

Cons

  • Requires self-hosting, which may be complex for non-technical users
  • No built-in user authentication or management features
  • Limited features beyond secure note sharing
  • Reliance on server configuration for optimal security
  • No mobile application or dedicated client

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